Answers recently replied by itius

To replace charging socket, it's necessary to disassemble whole laptop to take out motherboard and disconnect most of the cables. Two of them are antenna located inside laptop's monitor. Perhaps guys from IT service forgot to connect these cables when they were assembling your laptop after repair.

Turn your laptop upside down and unscrew the screw from small cover. Then see if those two connectors are connected to your Wi-Fi card.

In my opinion you should the best service to store important files is https://www.box.com/ There are mobile app, windows app where you can upload your files to the cloud. So basically you have 2 places where your files are stored, in the cloud and on your hard drive in special folder. In case your HD is damage, you still have access to your files via cloud service.

I always try to come up with the best anwer to help others. I don't write anything, if I don't know the subject. If you create topic with technical question, you should try every solution provided and choose which one worked for you. In other cases, author of the question should pick best answer which he likes.

Check your bookmark manager. There are all bookmarks you ever saved on your computer. You also can easily retrieve this website by checking your browsing history. Or you can use this one http://www.clipconverter.cc/